在大写字母中，大写单词的词距以字母（）的幅宽为准.
A.N
B.I
C.M
D.H
参考答案：D
Could you ask him_______? I'm not good at English. [ ]
A. to speak quickly
B. to speak slowly
C. to speak loudly
D. not to speak slowly
2011年中央一号文件提出2020年基本建成哪四大体系？
